10007-2121 DON 380

 
 
10h 00m 38.92s -21 20' 22.7" P.A. 283.00 sep 2.9 mag 10.30,14.30
 
 
Coord 2000
10007-2121
Discov num
DON 380
Comp
Coord arcsec 2000
10 00 38.92 -21 20 22.7
Date first
1930
Date last
2016
Obs
4
Pa first
281
Pa last
283
P.A. Now (θ)
283°
Sep first
2.4
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
10.30
Mag sec
14.30
delta mag (ΔM)
4
Spectral class
Pri motion ra
-031
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
283.4
Precise sep
2.944
Constellation
Hydra
SAO
178299
Tycho2
6058-00724-1
Gaia DR2
5667173750383910528
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10007-2121 DON 380 1940 2 281 2.6 10.30 14.30 100038.92-212022.7
10007-2121 DON 380 2015 3 284 2.9 10.30 14.30 100038.92-212022.7

If you need more information about this double, apply for a data request form to the WDS.